#!/usr/bin/env python3
from tkinter import *
from tkinter import ttk

def init_gui(root):

    def btn_apply_clicked():
        try:
            width = int(input_width.get())
            height = int(input_height.get())
            print(f'apply clicked, resolution: {width}x{height}')

        except:
            print('Please enter a valid resolution')
    
    root.title('Generative Art')
    algos = ['waves', 'hyphae']

    frame_top = ttk.Frame(root, padding=10)
    frame_top.pack(side=TOP)
    #frame_top.grid()
    #ttk.Label(frame_top, text="Hello World!").grid(column=0, row=0)

    Combo = ttk.Combobox(frame_top, values = algos)
    Combo.set('Pick an algorithm')
    Combo.grid(column=0, row=0)

    input_width = ttk.Entry(frame_top, width=6)
    input_width.insert(0, 'Width')
    input_width.grid(column=1, row=0)
    input_height = ttk.Entry(frame_top, width=6)
    input_height.insert(0, 'Height')
    input_height.grid(column=2, row=0)

    ttk.Button(frame_top, text="Apply", command=btn_apply_clicked).grid(column=3, row=0)
    ttk.Button(frame_top, text="Quit", command=root.destroy).grid(column=4, row=0)

    frame_left = ttk.Frame(root)
    frame_left.pack(side=LEFT)
    frame_right = ttk.Frame(root)
    frame_right.pack(side=RIGHT)

def main():
    root = Tk()
    init_gui(root)
    root.mainloop() 

if __name__ == '__main__':
    main()